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Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version |
Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
Ref | Expression |
---|---|
domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | endom 8530 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
2 | domtr 8556 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
3 | 1, 2 | sylan2 594 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 class class class wbr 5059 ≈ cen 8500 ≼ cdom 8501 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-br 5060 df-opab 5122 df-id 5455 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-f1o 6357 df-en 8504 df-dom 8505 |
This theorem is referenced by: domdifsn 8594 xpdom1g 8608 domunsncan 8611 sdomdomtr 8644 domen2 8654 mapdom2 8682 php 8695 unxpdom2 8720 sucxpdom 8721 xpfir 8734 fodomfi 8791 cardsdomelir 9396 infxpenlem 9433 xpct 9436 infpwfien 9482 inffien 9483 mappwen 9532 iunfictbso 9534 djuxpdom 9605 cdainflem 9607 djuinf 9608 djulepw 9612 ficardun2 9619 unctb 9621 infdjuabs 9622 infunabs 9623 infdju 9624 infdif 9625 infxpdom 9627 pwdjudom 9632 infmap2 9634 fictb 9661 cfslb 9682 fin1a2lem11 9826 fnct 9953 unirnfdomd 9983 iunctb 9990 alephreg 9998 cfpwsdom 10000 gchdomtri 10045 canthp1lem1 10068 pwfseqlem5 10079 pwxpndom 10082 gchdjuidm 10084 gchxpidm 10085 gchpwdom 10086 gchhar 10095 inttsk 10190 inar1 10191 tskcard 10197 znnen 15559 qnnen 15560 rpnnen 15574 rexpen 15575 aleph1irr 15593 cygctb 19006 1stcfb 22047 2ndcredom 22052 2ndcctbss 22057 hauspwdom 22103 tx2ndc 22253 met1stc 23125 met2ndci 23126 re2ndc 23403 opnreen 23433 ovolctb2 24087 ovolfi 24089 uniiccdif 24173 dyadmbl 24195 opnmblALT 24198 vitali 24208 mbfimaopnlem 24250 mbfsup 24259 aannenlem3 24913 dmvlsiga 31383 sigapildsys 31416 omssubadd 31553 carsgclctunlem3 31573 finminlem 33661 phpreu 34870 lindsdom 34880 mblfinlem1 34923 pellexlem4 39422 pellexlem5 39423 pr2dom 39886 tr3dom 39887 nnfoctb 41302 ioonct 41805 subsaliuncl 42634 caragenunicl 42799 aacllem 44895 |
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